{"coeffs": [-1.4959797584828458e-06, 0.24524791780912128, 2.1604205820941877, 0.1822389646675944], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.7673510276293776e-07, 116.78745741081366, 87.6515765399122, 0.014103855005613467], "covariance": [[2.2727635820638884e-13, -4.495742502091309e-05, -3.3748288147057406e-05, -6.081410039703767e-09], [-4.4957425025443324e-05, 13639.310208482615, 10236.604192972409, 1.5963414296265435], [-3.37482881505139e-05, 10236.604192971832, 7682.798869932088, 1.19819107897092], [-6.0814100399902204e-09, 1.5963414295582048, 1.1981910789196653, 0.00019891872601936805]]}